Fix zypper_repository key handling on SLES 15+
Fix zypper_repository key handling on SLES 15+

gpg 2.2 changed the output without a major version bump. Now we need to
get the gpg version and then shell out the appropriate command to
determine the fingerprint.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

MsysTechnologiesllc/chef,gene1wood/chef,chef/chef,mwrock/chef,gene1wood/chef,higanworks/chef,mattray/chef,gene1wood/chef,mattray/chef,chef/chef,MsysTechnologiesllc/chef,tas50/chef-1,higanworks/chef,nvwls/chef,higanworks/chef,mattray/chef,chef/chef,MsysTechnologiesllc/chef,nvwls/chef,nvwls/chef,nvwls/chef,nvwls/chef,tas50/chef-1,tas50/chef-1,gene1wood/chef,higanworks/chef,tas50/chef-1,mwrock/chef,chef/chef,MsysTechnologiesllc/chef,nvwls/chef,mattray/chef,mattray/chef,mwrock/chef,mwrock/chef,higanworks/chef